CN208452239U - A kind of precise injection mould pressure sensor device - Google Patents
A kind of precise injection mould pressure sensor device Download PDFInfo
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- CN208452239U CN208452239U CN201821020981.6U CN201821020981U CN208452239U CN 208452239 U CN208452239 U CN 208452239U CN 201821020981 U CN201821020981 U CN 201821020981U CN 208452239 U CN208452239 U CN 208452239U
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Abstract
The utility model discloses a kind of precise injection mould pressure sensor devices, including dynamic model and cover half, signal wire is provided in the dynamic model and cover half, signal processor is connected on the outside of the signal wire, the signal wire end is connected with pressure sensing mechanism, manifold is provided on the outside of the pressure sensing mechanism, the manifold outside is provided with insulating blanket, aerogel blanket thermal insulation layer is provided on the outside of the insulating blanket, the utility model on the outside of pressure sensing mechanism by being arranged manifold, internal pressure sensing mechanism is protected, separate heat by outside aerogel blanket thermal insulation layer, heat is avoided to influence internal pressure sensing mechanism detection pressure, pressure is detected by the pressure sensing mechanism of segmented, multisection type vacuum structure, reduce influence of the heat to sensing mechanism, it is improved absolutely by piezoresistor type pressure detection mechanism To the detection accuracy of pressure, it is worthy to be popularized.
Description
Technical field
The utility model relates to precise injection molding technical field, specially a kind of precise injection mould pressure sensor device.
Background technique
Injection molding is a kind of method of industrial products production moulding.Product is usually using rubber injection mold and plastic injection.Injection molding
Molding die platen press and casting die can also be dispensed.Injection (mo(u)lding) machine is that thermoplastic or thermosetting property material are utilized plastic forming dies
The main molding equipment of plastic products of various shapes is made in tool, and injection moulding is realized by injection molding machine and mold.
Precision injection molding, from the strict sense for, refer to by being molded the plasthetics produced of machine equipment
Dimensional accuracy, can achieve 0.01mm hereinafter, usually size between 0.01~0.001mm a kind of injection moulding production
Mode.Precise injection molding be primarily used for aerospace, auto parts and components, precision instrument, sports equipment, detection instrument etc. industry and
On the product for civilian use.
Application No. is CN201420610155.2, a kind of entitled utility model of precise injection mould pressure sensor device
Patent, provide it is a kind of have sensor, transmit needle injection mold pressure sensor device carry out real-time detection injection molding machine injection mold
The pressure of the intracavitary moulding of type.One of feature of the utility model, which is utilized on injection mold panel and rear mold supporting plate, fills sensing
Device, the feature of the utility model second is that passing through letter using transmitting needle connection sensor and the intracavitary moulding of type, sensing device
Number line connection signal processing module will test data and pass on controller, be adjustable control injection molding machine, can save artificial energy again
Guarantee the quality of product.
But when in use, heat can be generated when precise injection molding, pressure detecting is caused to be affected to some extent,
So that pressure detecting process is affected, therefore devise a kind of precise injection mould pressure sensor device.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of precise injection mould pressure sensing dress
It sets, can effectively solve the problem of background technique proposes.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
It is provided in a kind of precise injection mould pressure sensor device, including dynamic model and cover half, the dynamic model and cover half
Signal wire, the signal wire outside are connected with signal processor, and the signal wire end is connected with pressure sensing mechanism, the pressure
Manifold is provided on the outside of power sensing mechanism, the manifold outside is provided with insulating blanket, is provided with gas on the outside of the insulating blanket
Gel felt thermal insulation layer；
The pressure sensing mechanism includes sensing support, is provided with layer of ceramic film piece, the pottery on the sensing support
Porcelain diaphragm lower end is pasted there are four thick-film resistor, constitutes Wheatstone bridge between the thick-film resistor, the sensing support with make pottery
It is vacuumized between porcelain diaphragm, the sensing support upper end is provided with casing, and described sleeve pipe top is provided with two panels corrugated film sheet, institute
It states and fits together to form vacuum air bag between corrugated film sheet, vacuumize process inside described sleeve pipe.
Further, the signal processor uses ADSP-TS101 type digital signal processor, including in 6M pieces
The shared bus of SRAM, integrated I/O peripheral equipment, dma controller and seamless connection MDSP.
Further, it is provided with pilot pin on the dynamic model, positioning corresponding with pilot pin is provided on the cover half and is worn
Hole.
Further, the sensing support outer is provided with heat-insulated card slot, and card is placed with superfine glass in the heat-insulated card slot
Cotton layer.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is protected internal pressure sensing mechanism by the way that manifold is arranged on the outside of pressure sensing mechanism
Get up, heat is separated by outside aerogel blanket thermal insulation layer, heat is avoided to influence internal pressure sensing mechanism detection pressure；
(2) the utility model detects pressure by the pressure sensing mechanism of segmented, and multisection type vacuum structure reduces heat
The influence to sensing mechanism is measured, the detection accuracy of absolute pressure is improved by piezoresistor type pressure detection mechanism, is worth pushing away
Extensively.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the pressure sensing mechanism structural schematic diagram of the utility model.
Figure label:
1- dynamic model, 2- cover half, 3- signal wire, 4- signal processor, 5- pressure sensing mechanism, 6- manifold, 7- insulating blanket,
8- aerogel blanket thermal insulation layer, 9- sensing support, 10- ceramic diaphragm, 11- thick-film resistor, 12- casing, 13- corrugated film sheet, 14- are true
Air bag, 15- pilot pin, 16- positional punch, the heat-insulated card slot of 17-, 18- super glass wool layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 and 2, the utility model provides a kind of precise injection mould pressure sensor device, including dynamic model 1
With cover half 2, it is provided with signal wire 3 in the dynamic model 1 and cover half 2, signal processor 4, institute are connected on the outside of the signal wire 3
It states 3 end of signal wire and is connected with pressure sensing mechanism 5, be provided with manifold 6 on the outside of the pressure sensing mechanism 5, outside the manifold 6
Side is provided with insulating blanket 7, is provided with aerogel blanket thermal insulation layer 8 on the outside of the insulating blanket 7；
As shown in Fig. 2, the pressure sensing mechanism 5 includes sensing support 9, one layer of pottery is provided on the sensing support 9
Porcelain diaphragm 10,10 lower end of ceramic diaphragm are pasted there are four thick-film resistor 11, constitute favour stone between the thick-film resistor 11
Electric bridge vacuumizes between the sensing support 9 and ceramic diaphragm 10, and 9 upper end of sensing support is provided with casing 12, the set
12 top of pipe is provided with two panels corrugated film sheet 13, fits together to form vacuum air bag 14 between the corrugated film sheet 13, described
12 inside vacuumize process of casing；
The working principle of the utility model are as follows: when dynamic model 1 and cover half 2 squeeze, pressure sensing mechanism 5 and moulding
The electric signal of contact, detection is transmitted to inside signal processor 4 by signal wire 3, the pressure detected, in pressure sensing machine
Manifold 6 is provided on the outside of structure 5 as protection, outside is separated using aerogel blanket thermal insulation layer 8, and aerogel blanket material has good
Heat-insulating capability, effectively avoiding injection molding heat influences pressure detecting；Moulding and the outer side contacts of corrugated film sheet 13, pressure pass through
Internal vacuum air bag 14 is transferred to the corrugated film sheet 13 of lower end, and driving the corrugated film sheet 13 of lower end, deformation occurs, so that
Absolute pressure is generated inside casing 12, absolute pressure pushes ceramic diaphragm 10, the thick-film resistor 11 that 10 lower end of ceramic diaphragm is pasted
Between connect and compose Wheatstone bridge, push the variation that strain resistor is driven after deformation, the deformation of diaphragm is bigger, thus resistance
The change in resistance of R is also bigger, and electric signal is conducted by signal wire 3, can intuitively be seen after amplifying by integrated circuit
Internal pressure effectively transmits pressure by the vacuum structure of multisection type out, avoids influence of the heat to pressure detecting.
As preferred embodiment, the signal processor 4 uses ADSP-TS101 type digital signal processor, including
The shared bus of 6M on-chip SRAMs, integrated I/O peripheral equipment, dma controller and seamless connection MDSP, can be very good to locate
Electric signal is managed, electric signal amplification is converted into pressure value.
As preferred embodiment, it is provided with pilot pin 15 on the dynamic model 1, is provided with and positions on the cover half 2
The corresponding positional punch 16 of needle 15, improves stationkeeping ability, avoids being molded hour offset between cover half 2 and dynamic model 1.
As preferred embodiment, it is provided with heat-insulated card slot 17 on the outside of the sensing support 9, in the heat-insulated card slot 17
Card is placed with super glass wool layer 18, further avoids thermally conductive when contacting with manifold 6, improves heat-insulating capability.
In conclusion the utility model is mainly characterized by:
(1) the utility model is protected internal pressure sensing mechanism by the way that manifold is arranged on the outside of pressure sensing mechanism
Get up, heat is separated by outside aerogel blanket thermal insulation layer, heat is avoided to influence internal pressure sensing mechanism detection pressure；
(2) the utility model detects pressure by the pressure sensing mechanism of segmented, and multisection type vacuum structure reduces heat
The influence to sensing mechanism is measured, the detection accuracy of absolute pressure is improved by piezoresistor type pressure detection mechanism, is worth pushing away
Extensively.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (4)
1. a kind of precise injection mould pressure sensor device, including dynamic model (1) and cover half (2), the dynamic model (1) and cover half (2)
It is inside provided with signal wire (3), is connected with signal processor (4) on the outside of the signal wire (3), it is characterised in that: the signal
Line (3) end is connected with pressure sensing mechanism (5), is provided with manifold (6), the manifold on the outside of the pressure sensing mechanism (5)
(6) outside is provided with insulating blanket (7), is provided with aerogel blanket thermal insulation layer (8) on the outside of the insulating blanket (7)；
The pressure sensing mechanism (5) includes sensing support (9), is provided with layer of ceramic film piece on the sensing support (9)
(10), ceramic diaphragm (10) lower end is pasted there are four thick-film resistor (11), constituted between the thick-film resistor (11) favour this
Energization bridge vacuumizes between the sensing support (9) and ceramic diaphragm (10), and sensing support (9) upper end is provided with casing
(12), described sleeve pipe (12) top is provided with two panels corrugated film sheet (13), and fit together shape between the corrugated film sheet (13)
At vacuum air bag (14), the internal vacuumize process of described sleeve pipe (12).
2. a kind of precise injection mould pressure sensor device according to claim 1, it is characterised in that: the signal processing
Device (4) uses ADSP-TS101 type digital signal processor, including 6M on-chip SRAMs, integrated I/O peripheral equipment, DMA control
The shared bus of device processed and seamless connection MDSP.
3. a kind of precise injection mould pressure sensor device according to claim 1, it is characterised in that: the dynamic model (1)
On be provided with pilot pin (15), positional punch (16) corresponding with pilot pin (15) is provided on the cover half (2).
4. a kind of precise injection mould pressure sensor device according to claim 1, it is characterised in that: the sensing support
(9) outside is provided with heat-insulated card slot (17), and card is placed with super glass wool layer (18) in the heat-insulated card slot (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020981.6U CN208452239U (en) | 2018-06-29 | 2018-06-29 | A kind of precise injection mould pressure sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020981.6U CN208452239U (en) | 2018-06-29 | 2018-06-29 | A kind of precise injection mould pressure sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208452239U true CN208452239U (en) | 2019-02-01 |
Family
ID=65169091
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821020981.6U Active CN208452239U (en) | 2018-06-29 | 2018-06-29 | A kind of precise injection mould pressure sensor device |
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| CN (1) | CN208452239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI798058B (en) * | 2022-04-18 | 2023-04-01 | 中原大學 | Mold apparatus including mold sensor cooling structure |
-
2018
- 2018-06-29 CN CN201821020981.6U patent/CN208452239U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI798058B (en) * | 2022-04-18 | 2023-04-01 | 中原大學 | Mold apparatus including mold sensor cooling structure |
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